Description

Arachidic Anhydride is a high-purity chemical intermediate derived from arachidic acid, serving as a critical building block for advanced organic synthesis. Its primary value lies in its role as an efficient acylating agent, enabling the formation of esters and amides with long-chain alkyl groups. This compound is essential for researchers and manufacturers in the fine chemical, pharmaceutical, and specialty polymer industries seeking to modify material properties or synthesize complex molecules.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs requiring long-chain fatty acid modifications.
• Polymer Science: Acts as a monomer or cross-linking agent in the production of specialty polyesters, polyamides, and alkyd resins to enhance hydrophobicity and flexibility.
• Lubricant & Grease Additive: Employed in the formulation of synthetic esters that serve as high-performance base stocks or additives for industrial lubricants.
• Surface Modification Agent: Utilized to create hydrophobic coatings on various materials, including textiles, paper, and metals.
• Biochemical Research: Serves as a reagent for lipid conjugation, protein acylation studies, and the preparation of fluorescent or tagged lipid probes.
• Cosmetic & Personal Care Ingredient: Used in the synthesis of emulsifiers, emollients, and viscosity modifiers for creams and lotions.

Basic Information

Product Name	Arachidic Anhydride
CAS No.	55726-22-2
Molecular Formula	C40H78O3
Molecular Weight	606.99 g/mol
Synonyms	Eicosanoic Anhydride; Icosanoic Anhydride; Arachidic Acid Anhydride; n-Eicosanoic Anhydride; Docosanoic Anhydride (common misnomer); Anhydride of Arachidic Acid; Eicosanoic Acid Anhydride; C20 Fatty Acid Anhydride
EINECS	Contact for details

Quality Control

Our Arachidic Anhydride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive). Keep the container tightly sealed in a dry environment to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.